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SubjectRe: [PATCH V2 2/5] erofs: introduce fscache-based domain
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On 9/2/22 6:53 PM, Jia Zhu wrote:

> int erofs_fscache_register_cookie(struct super_block *sb,
> struct erofs_fscache **fscache,
> char *name, bool need_inode)
> @@ -495,7 +581,8 @@ int erofs_fscache_register_fs(struct super_block *sb)
> char *name;
> int ret = 0;
>
> - name = kasprintf(GFP_KERNEL, "erofs,%s", sbi->opt.fsid);
> + name = kasprintf(GFP_KERNEL, "erofs,%s",
> + sbi->domain ? sbi->domain->domain_id : sbi->opt.fsid);
> if (!name)
> return -ENOMEM;
>

What if domain_id and fsid has the same value?

How about the format "erofs,<domain_id>,<fsid>"? While in the
non-share-domain mode, is the format like "erofs,,<fsid>" or the default
"erofs,<fsid>"?


--
Thanks,
Jingbo

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